Related topics: natural gas

Coal fights to keep power in US energy mix

Four months after pledging to lead the United States on a path to sustainable energy, President Barack Obama faces a turning point on electricity generated from coal, one of the dirtiest of fuels.

US intelligence sees fight ahead over water, food

(AP)—Nearly two-thirds of the world's population will live in cities by 2030, with most people middle class, connected by technology, protected by advanced health care and the United States and China perhaps cooperating ...

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